/Engine/Plugins/Developer/Concert/ConcertMain/Source/ConcertTransport/Public/IConcertEndpoint.h
Register an handler for request received by this endpoint
template<typename RequestType, typename ResponseType, typename HandlerType> void RegisterRequestHandler ( HandlerType * Handler, typename [TConcertRawRequestHandler](API\Plugins\ConcertTransport\TConcertRawRequestHandler)< ResponseType, HandlerType >::FFuncType Func )